20622496

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 22814240

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 167, 227, 272, 334, 454, 544, 668, 908, 1336, 1816, 2672, 2839, 3632, 3859, 5344, 5678, 7264, 7718, 11356, 15436, 22712, 30872, 37909, 45424, 61744, 75818, 90848, 123488, 151636, 303272, 606544, 644453, 1213088, 1288906, 2577812, 5155624, 10311248, 20622496]

約数ペア:

[(1, 20622496), (2, 10311248), (4, 5155624), (8, 2577812), (16, 1288906), (17, 1213088), (32, 644453), (34, 606544), (68, 303272), (136, 151636), (167, 123488), (227, 90848), (272, 75818), (334, 61744), (454, 45424), (544, 37909), (668, 30872), (908, 22712), (1336, 15436), (1816, 11356), (2672, 7718), (2839, 7264), (3632, 5678), (3859, 5344)]